Get a Washington HVAC Contractor

Direct answer (49 words): To get a HVAC contractor license in Washington, register your business as a specialty construction contractor with L&I (bond $15,000; insurance $200,000/$50,000 or $250,000 CSL; $150.20/2 years), then obtain an L&I electrical contractor license for 06A HVAC/Refrigeration (bond $4,000; $406.90; assign a 06A Administrator; employ 06A-certified electricians with 4,000 hours + exam).

Requirements last verified: 2026-10-19

Requirement	Details
Licensing agency	Washington State Dept. of Labor & Industries (L&I): Contractor Registration Program (business registration) and Electrical Program (electrical contractor license, 06A scope).
Construction contractor registration (business)	Specialty contractor bond $15,000; liability insurance $200,000 public liability + $50,000 property damage OR $250,000 combined single limit; fee $150.20; valid 2 years. Use Application for Construction Contractor Registration (F625-001-000).
Electrical contractor license (06A HVAC/Refrigeration)	Bond $4,000 under RCW 19.28; fee $406.90 total ($353.90 contractor license + $53 Administrator assignment) via Application for Electrical or Telecommunications Contractor License (F500-018-000). Renew every 2 years.
Designated person	Assign a Washington 06A Electrical Administrator or Master Specialty Electrician to the company; they are responsible for code compliance.
Experience (individual)	To perform electrical HVAC work, technicians must hold a 06A specialty electrician certificate: 4,000 documented hours in the 06A scope (up to 2,000 hours may come from 06B) and pass the 06A exam.
Exams	06A Specialty Electrician exam (after L&I approval) and/or 06A Electrical Administrator exam for the designee; exams are scheduled with PSI after L&I issues an approval letter.
Minimum age	Electrical trainees (the starting point toward 06A) must be at least 16; contractor owners must be legally able to enter contracts.
Insurance & bonds	Construction contractor: $15,000 bond + minimum liability above. Electrical contractor: separate $4,000 electrical bond (or assigned savings). Insurance must list L&I as certificate holder.
Permits & inspections	Electrical work requires L&I (or city) permits and inspections; permits are purchased by the electrical contractor and tracked in L&I’s system.
Renewals	Construction contractor registration: every 2 years. Electrical contractor license: every 2 years. Electrician/Administrator certificates: every 3 years with CE.

Sources: L&I – Register as a Contractor; L&I – Electrical Contractor; RCW 19.28.041; F500-018-000; F625-001-000; WAC 296-46B-945; L&I – Electrical Examination; L&I – Electrical Permits. ([lni.wa.gov](https://lni.wa.gov/licensing-permits/contractors/register-as-a-contractor/index?utm_source=openai))

How to get a HVAC contractor license in Washington

1. Choose your business structure and get a UBI. Form your entity (e.g., LLC or corporation), then apply through the Department of Revenue’s Business Licensing Service to receive your Unified Business Identifier (UBI). ([dor.wa.gov](https://dor.wa.gov/open-business/apply-business-license/registrations-and-filings-required-businesses/department_of_labor_industries?utm_source=openai))
2. Register as a specialty construction contractor with L&I. Purchase a $15,000 specialty contractor bond and required liability insurance ($200,000/$50,000 or $250,000 CSL). Submit the Construction Contractor Registration (F625-001-000) and pay $150.20 (2‑year). ([lni.wa.gov](https://lni.wa.gov/licensing-permits/contractors/register-as-a-contractor/index?utm_source=openai))
3. Apply for an electrical contractor license with 06A scope. File the Electrical Contractor application (F500‑018‑000), provide a $4,000 electrical bond (or assigned savings), assign your 06A Administrator/Master, and pay $406.90. ([lni.wa.gov](https://www.lni.wa.gov/forms-publications/F500-018-000.pdf))
4. Staff your company with properly certified 06A electricians. Individuals who install/service HVAC wiring must hold a 06A specialty electrician certificate (4,000 hours in 06A scope; 06B can credit 2,000 hours) and pass the exam; new workers start as electrical trainees. ([app.leg.wa.gov](https://app.leg.wa.gov/wac/default.aspx?cite=296-46B-945&utm_source=openai))
5. Pull electrical permits and schedule inspections. Buy permits for each job and arrange required inspections with L&I (or local jurisdiction, if applicable) before energizing systems. ([lni.wa.gov](https://www.lni.wa.gov/licensing-permits/electrical/electrical-permits-fees-and-inspections/index?utm_source=openai))
6. Renew and maintain compliance. Keep bonds/insurance active; renew contractor registration and electrical contractor license every 2 years; ensure electricians/administrators renew certificates every 3 years with CE. ([lni.wa.gov](https://lni.wa.gov/licensing-permits/electrical/electrical-licensing-exams-education/electrical-contractor?utm_source=openai))

Washington 06A HVAC/Refrigeration scope, hours and exams

Washington regulates HVAC electrical work under specialty 06A. To earn a 06A specialty electrician certificate you need 4,000 documented hours in the 06A scope and to pass the 06A exam; up to 2,000 hours from 06B may be credited. After L&I approves your application, exams are scheduled with PSI. WAC 296‑46B‑945; L&I Electrical Examination. ([app.leg.wa.gov](https://app.leg.wa.gov/wac/default.aspx?cite=296-46B-945&utm_source=openai))

Business registration vs. electrical licensing for HVAC contractors

In Washington you must both register the construction business with L&I (consumer bond and general liability insurance) and hold an L&I electrical contractor license for the 06A specialty (separate $4,000 bond and an assigned Administrator/Master). The two credentials serve different purposes and both are mandatory to legally contract HVAC electrical work. L&I Contractor Registration; RCW 19.28.041. ([lni.wa.gov](https://lni.wa.gov/licensing-permits/contractors/register-as-a-contractor/index?utm_source=openai))

Costs to get a HVAC contractor license in Washington

Plan for the L&I specialty contractor bond ($15,000), liability insurance (state minimums), the electrical bond ($4,000), the electrical contractor license fee ($406.90), and the construction contractor registration fee ($150.20). For a deeper breakdown of typical Washington HVAC licensing expenses and budgeting tips, see our guide to HVAC contractor license costs in Washington. ([lni.wa.gov](https://www.lni.wa.gov/forms-publications/F500-018-000.pdf))

Permits, inspections, and jobsite compliance

Electrical HVAC installations require permits and inspections from L&I or an authorized city; contractors purchase permits and must pass inspections prior to energizing equipment. Maintain your 06A Administrator assignment and keep all bonds/insurance active to avoid suspension. L&I Electrical Permits, Fees & Inspections; L&I Electrical Contractor. ([lni.wa.gov](https://www.lni.wa.gov/licensing-permits/electrical/electrical-permits-fees-and-inspections/index?utm_source=openai))

Who can become a 06A electrician or Administrator?

Electrical trainees (minimum age 16) work under supervision while accruing hours toward 06A. A company’s designated 06A Administrator (or Master) passes an L&I exam and is responsible for compliance; the Administrator certificate renews every three years with CE. L&I Electrical Trainee; L&I Master/Administrator. ([lni.wa.gov](https://www.lni.wa.gov/licensing-permits/electrical/electrical-licensing-exams-education/electrical-trainee?utm_source=openai))

Frequently Asked Questions

Do I need both contractor registration and an electrical contractor license for HVAC in Washington?

Yes. Register as a construction contractor (consumer bond + liability insurance) and also hold an L&I electrical contractor license with 06A scope (separate $4,000 bond and a designated 06A Administrator). Both are required to legally advertise, bid, and perform HVAC electrical work. L&I Contractor Registration; RCW 19.28.041. ([lni.wa.gov](https://lni.wa.gov/licensing-permits/contractors/register-as-a-contractor/index?utm_source=openai))

What are the exact bonds and insurance for HVAC contractors?

Construction registration: $15,000 specialty bond plus liability insurance of $200,000 public liability and $50,000 property damage (or $250,000 CSL). Electrical contractor license: separate $4,000 bond (or assigned savings). Insurance certificates must list L&I as certificate holder. L&I – Registration; RCW 19.28.041. ([lni.wa.gov](https://lni.wa.gov/licensing-permits/contractors/register-as-a-contractor/index?utm_source=openai))

How many hours do I need for a 06A specialty electrician certificate?

4,000 hours in the HVAC/Refrigeration (06A) scope, verified to L&I, plus passing the 06A exam. Up to 2,000 hours from 06B may be credited toward the 4,000-hour minimum. WAC 296‑46B‑945. ([app.leg.wa.gov](https://app.leg.wa.gov/wac/default.aspx?cite=296-46B-945&utm_source=openai))

What are the current licensing fees?

Construction contractor registration: $150.20 for a two‑year registration term. Electrical contractor license application and 06A Administrator assignment total $406.90. Check L&I forms for the most current amounts. F625‑001‑000; F500‑018‑000; WSR 26‑10‑060. ([lni.wa.gov](https://www.lni.wa.gov/forms-publications/F625-001-000.pdf?utm_source=openai))

How often do I renew, and what CE is required?

Renew the construction contractor registration and electrical contractor license every 2 years. Electrician and Administrator certificates renew every 3 years with approved continuing education. L&I – Electrical Licensing. ([lni.wa.gov](https://www.lni.wa.gov/licensing-permits/electrical/electrical-licensing-exams-education/?utm_source=openai))

Building out a multi‑license plan in Washington? Compare requirements and costs across trades—for example, our breakdown of Washington private investigator license costs can help you forecast insurance, bonds, and renewal timelines across your service lines.

Ready to move forward? License Navigator can map your exact Washington HVAC licensing steps, auto‑generate your L&I forms, and keep you on top of renewals so you can start booking compliant jobs faster.